package com.atguigu.gulimall.order.web;

import com.atguigu.common.Exception.NotStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {

    @Autowired
    private OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();

        model.addAttribute("orderConfirmData", confirmVo);
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(@RequestBody OrderSubmitVo orderSubmitVo,Model model, RedirectAttributes redirectAttributes) {
        try{

            SubmitOrderResponseVo responseVo = orderService.submitOrder(orderSubmitVo);
            if (responseVo.getCode() == 0) {
                model.addAttribute("submitOrderResp", responseVo);
                return "pay";
            }else{
                String msg = "下单失败";
                switch (responseVo.getCode()){
                    case 1: msg += "订单信息过期,请刷新在提交";break;
                    case 2: msg += "订单商品价格发送变化,请确认后再次提交";break;
                    case 3: msg += "商品库存不足";break;
                }
                redirectAttributes.addFlashAttribute("msg", msg);
                return "redirect:http://order.glmall.com/toTrade";
            }
        }catch (Exception e){
            if (e instanceof NotStockException){
                String message = e.getMessage();
                redirectAttributes.addFlashAttribute("msg", message);
            }
            return "redirect:http://order.glmall.com/toTrade";
        }
    }
}
